日本邮船株式会社（日语：日本邮船株式会社），是日本代表性的大型海运公司之一，与三菱商事同为三菱财阀（今 三菱集团）的源流企业。

Nippon Yusen Kabushiki Kaisha(日本邮船株式会社,Nippon Yūsen Kabushiki Kaisha, Japan Mail Shipping Line or NYK Line) is one of the largest shipping companies in the world. It is a member of the Mitsubishi UFJ Financial Group (MUFJ) keiretsu. The company has its headquarters in Chiyoda, Tokyo, Japan